<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
</head>
<body>


<script>
  var a = ()=> {
    var b = '1';
    var c = '2';
    return ()=> {
      console.log(b)
    }
  };
  var A = a();
</script>
</body>
</html>
